18 articles Articles posted in Battery Powered

New Year’s Eve 2017 LED Persistence of Vision Machine!

I’ve wanted to build an LED Persistence of Vision machine with my Blinky Pendant for a while now, but I’ve just never had a chance to sit down and play with it. For NYE this year, I decided to try and build a spinning POV message that said “HAPPY NEW YEAR 2017” or something like that. I… Continue Reading →

Challenger II: An Optical Theremin

The Challenger II is an optical theremin, built out of a floppy drive, an Express for Men 1MX dress shirt, and other spare parts.

Von Braun XV

The Von Braun XV is a synthesizer, originally built in 2007. The circuit is a modified 556 IC APC circuit, originally designed by Forrest M. Mims in 1980 and called the ‘Sound Synthesizer’. This particular circuit was modified by Beavis Audio Research for use with a line output. The Von Braun is housed in a painted cigar… Continue Reading →

Ciyoyo U8S / Uwatch U8 Smartwatch for Android and iOS

The Ciyoyo U8S smartwatch (also known as the Uwatch U8S, Geekera UWATCH, Androset Universal, Luxesure, and a bunch of other names) is an ultra low-end smartwatch. This watch is Bluetooth compatible, and works by linking to your phone to deliver notifications, information, and messages (Android OS only!) As far as smartwatches go, it’s pretty tough… Continue Reading →

9V Amplifier and 12″ Speaker in a 12″ Tom Drum Shell

Probably one of the weirder things I’ve built. This is a 12″ Celestion Modern Lead 70 Speaker and a 386 IC amplifier in a 12″ tom drum shell. When I built this, neon green duct tape was on sale. A lot of stuff I built had neon green duct tape all over it. The circuit is… Continue Reading →

RAGE: Richmond Area Gear Expo – April, 2015

The Richmond Area Gear Expo (RAGE!) was an eclectic mix of luthiers, guitar pedal makers, and talented musicians. I had a table with some noise instruments (Von Braun VIII and X, reporting for duty) and my ring mod guitar. I was invited by Natalie Quick, who works at Fan Guitar and Ukulele, a great store… Continue Reading →

Come to Quark’s: The Mug!

    Easily one of the best scenes of all of Star Trek: Deep Space Nine. Immediately after I saw this, I knew I had to build a mug that sang a little jingle *every* *single* *time* I used it. The Radioshack store near my was closing down, so I snapped up a little sound… Continue Reading →

Putting a Ring Modulator Guitar Pedal Inside a Guitar

  Having trouble finding an enclosure for your new pedal? Why not just put it inside your guitar?  This guitar has a 567 Tone Decoder IC circuit inside it that acts as a Ring Modulator with an adjustable carrier wave.   The schematic can be found at the awesome Beavis Audio Research site or right here!… Continue Reading →

A review of a tattered Plantronics M25 Bluetooth Headset

I found this thing in a parking lot, and took it apart and cleaned it up! It’s a Plantronics M25 Bluetooth Headset, and I was able to get it to pair with my iPhone 4S. I made a few calls with it, and it worked great! You can also play music through your phone with… Continue Reading →

Building a Star Trek: Voyager Kazon Ship and Lighted Display Stand

  Building a model from a parts kit can be a rewarding experience, albeit a challenging and occasionally horrifyingly frustrating one. Having finished watching Star Trek: Voyager not too long ago, I was super stoked when I saw a Kazon Raider ship at Stories Comics, and decided to try my hand at model building. The… Continue Reading →